Revision control
++ // Copyright (c) 2001-2004 NovodeX AG. All rights reserved.
++ // Copyright (c) 2004-2008 AGEIA Technologies, Inc. All rights reserved.
++ // SPDX-FileCopyrightText: Copyright (c) 2008-2026 NVIDIA CORPORATION & AFFILIATES. All rights reserved.
++ // SPDX-License-Identifier: Apache-2.0
++
++ #ifndef PX_INLINE_ALLOCATOR_H
++ #define PX_INLINE_ALLOCATOR_H
++
++ #include "foundation/PxUserAllocated.h"
++
++ #if !PX_DOXYGEN
++ namespace physx
++ {
++ #endif
++ // This is used by the array class to allocate some space for a small number of objects along with the metadata.
++ // You can allocate an additional N bytes (set with PxInlineAllocator::setExtraSize()) for e.g. safe SIMD loads.
++ // PT: TODO: merge with PxInlineArray.h
++ template <PxU32 N, typename BaseAllocator>
++ class PxInlineAllocator : private BaseAllocator
++ {
++ public:
++ PxInlineAllocator(const PxEMPTY v) : BaseAllocator(v)
++ {
++ }
++
++ PxInlineAllocator(const BaseAllocator& alloc = BaseAllocator()) : BaseAllocator(alloc), mExtraSize(0), mBufferUsed(false)
++ {
++ }
++
++ PxInlineAllocator(const PxInlineAllocator& alloc) : BaseAllocator(alloc), mExtraSize(alloc.mExtraSize), mBufferUsed(false)
++ {
++ }
++
++ void* allocate(size_t size, const char* filename, PxI32 line, uint32_t* cookie=NULL)
++ {
++ PX_UNUSED(cookie);
++ if(!mBufferUsed && size <= N)
++ {
++ mBufferUsed = true;
++ return mBuffer;
++ }
++ return BaseAllocator::allocate(size + size_t(mExtraSize), filename, line);
++ }
++
++ void deallocate(void* ptr, uint32_t* cookie=NULL)
++ {
++ PX_UNUSED(cookie);
++ if(ptr == mBuffer)
++ mBufferUsed = false;
++ else
++ BaseAllocator::deallocate(ptr);
++ }
++
++ PX_FORCE_INLINE PxU8* getInlineBuffer() { return mBuffer; }
++ PX_FORCE_INLINE bool isBufferUsed() const { return mBufferUsed; }
++ PX_FORCE_INLINE void setExtraSize(PxU8 extraSize) { mExtraSize = extraSize; }
++
++ protected:
++ PxU8 mBuffer[N];
++ PxU8 mExtraSize; // PT: user-controlled extra size for safe SIMD loads
++ bool mBufferUsed;
++ };
++ #if !PX_DOXYGEN
++ } // namespace physx
++ #endif
++
++ #endif
++